IL28244A - Synergistic mixtures of carbamate and formamidine pesticides - Google Patents

Description

Synergistic mixtures of carbamate and formamldlne peetlcldea The present Invention provides peeticldal tions an containing mixtures of carbamates and Specification has described parations having and aoarioldal which carbamates of the general which and represents an akyl radical or togethe with the nitroge atom a ring which may contain further hetero and and each represents a hydrogen Or halogen atom o an aikyl o alkenyl is know om British Speci pxepra containing formamidines of the general in which and Rg eac represents an radical oontatning up to 4 carbon or stands for hydrogen an aikyl radical with up to 4 carbon their have acaricidal and especially invention is based on the observatio that preparations that contain at least one of the general formula in with at leas formamidine of the above general formula have a effect upo and animal sites the cumulative effect of the single components used This whic surpasses the activity of single components surprising and could not have been foreseen since at this it is not possible to mak any predictions in the absence of ledge of on which activit depends use new mixtures of this offers substantial advantages to achieve an equivalent effect against many a smaller quantity of active substance is tha when components are used pests can be controlled in a more safe and manner and it is for to reduce substantially the in pe iods between treatment and specia advantage of of this tion is their increased upon all development stages of tha appear as parasites on plants and animals since this is the only way of controllin them This effect unexpected all kno acaricides the main e fect is either only against mobile stages of the pests or against their most also their larvae A mite tion species of the family consists always of various stages of mobile always found side b side with ova so tha it is often possible generations of pests to emerge a short time from the or the mobile The of this invention not only overcome said o the aearie dee but i addition the have a more poten effect against both this constitutes an appreciale technical has been that the of this invention are superior their effect as to as is by the comparative tests shown The components be used i the mixtures o this invention are primarily followin active substances or thei with or organic C b a a e C o n Physical constant 1 2 9 11 2 oil ί sopr arbaraat β C 145 C 7 8 0 2 oil r a i d i e s 2 ohlo ide 4 5 6 8 mixtures of this invention may applied as suc or in conjunction or with other such as acaricides or tions take usual form of plant protection preparations containing liquid r Suitable liquid vehicles mineral oils or suitable solid vehicles fo silica or prepara may in dustin or casting or as kled or atomized as aerosols or The amount of the mixtures of this invention to incorporated in pesticidal protecting fo example in acaricides or the may vary within wide limits and depends among others on the ratio of the on the type of on the manne of the desired control effect on kind of pes Depending on the form of application conoentra of the mixture i may be from about to by om the weight of th preparation a the preparation may used in concentrations dow to by working centrations between about and liquid or vehicles produce excellent For some a concentration up to about by weight be the mixtures of this weight A to the B may a vary from 1 to about 1 to Particularly good results achieved with a weight ratio A B 1 1 to 1 com ounds contained of this may as such or the form of for of the These whic as mentioned ar such ma be prepared known mixtures of this which contain the active prepared the usual ner mixers or Amon t components of the mixtures of the following active stances have proved particularly valuable for trolling plant parasites i and A 1 and A and B and thei especially A ratio carbamate A 1 their is 1 2 and the ratio formamidine B 2 their is 1 It is anothe advantage of the mixtures to be according to this invention that they act against inseets and other pests as well as against their so that they lend themselves to a wide of As examples of pests that can be with good results followin may be Codling moth peach borer peach moth summer frui tortrlx moth re prune sa fly a flea aphide Jose scale moths setitella and Lithocolletis unex ected superioity of mixtures of this invention compared with the single components is ed by the following Example 1 In 7 field tests with numerous apple cultures to control the ermine moth tetranyohus uimi the following results in evaluations the mixed products were accorded the value of 100 and the effects of the single components shown as percentages The tested contained and the weigh ratio of 1 or and weight ratio of 1 and the results obtained were compared with those obtained with preparations the single The preparations were Sq eous Preparation at the weight active substance evaluation of contains ratio of in 100 of A B spray broth ed in grams A 1 B 2 1 75 100 A 3 B 2 1 1 80 100 A 1 75 80 B 2 80 Example 2 following Table the values of the preparations of this inventio of a few known values were determined by using round pieces of bean leaves blanked out mm from the which placed upside down on a sheet of material in Petri dishes led with and each piece was infested 10 female spier For the tests the ova were obtained by leavin the female mites fo 24 hours the tes pieces and then removing The mites their ova wer treated with 4 mg of spray brot per cm usin each 3 to 4 concentration steps within the anticipated In adulticide tests 4 pieces of leaves infested with a tota of 40 and for tests mortality values were caloulated after to and days respectively i per cent killed mites th total of mites used in the test and on paper abilit ordinates Through eac point a straight was the values o the of were o The superiorit of th preparations Of this which in each case in admixtur wit at weight ratio of 1 2 and 1 1 is ous in contradistinction to the reference an approximately equal effect is 40 62 Reference Preparations 24 insufficientOCRQuality

Claims (1)

1. 400 310 82 sulphonate 20 NOW particularly described and ascertained the nature our said invention and in what manner the is to be performed we declare what we preparations havin an component at least one compound of general formula in which represents an o radical or togethe with nitrogen atom a rin which ma contain further and and each represents a hydroge or atom or an or radical or their in or admixture with at least one compound of the general formula and each represents an radical co ntaining up to carbon atoms or represents a hydrogen atom and an radical with up to atoms or their salts admixture with a or liquid vehicle preparation according to Claim containing carbamate or in either case in admixture with or a salt preparation according to Claim 1 or containing the carbamates and formamldlnes defined above at a weight ratio from about 1 to t about 1 to 10 preferably from 1 1 to 1 A method for combatting pests comprising applying a pestlcidal preparation as claimed Claims 1 3 to the controlling of said David Wolf Agent for insufficientOCRQuality